|Rank|Nation|Gold|Silver|Bronze|Total|
|---|---|---|---|---|---|
|1|Netherlands|20|9|0|29|
|2|Italy|10|15|3|28|
|3|Belgium|1|2|6|9|
|4|Spain|1|1|13|15|
|5|Great Britain|0|2|0|2|
|6|Germany|0|1|7|8|
|7|Greece|0|1|0|1|
|7|Russia|0|1|0|1|
|9|Sweden|0|0|2|2|
|10|France|0|0|1|1|

Question: number of gold medals earned by the netherlands and italy
Answer: 30